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Multi-parameter machine learning approach to the neuroanatomical basis of developmental dyslexia
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In: ISSN: 1065-9471 ; EISSN: 1097-0193 ; Human Brain Mapping ; https://hal.archives-ouvertes.fr/hal-01400559 ; Human Brain Mapping, Wiley, 2016 (2016)
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The Number of Genomic Copies at the 16p11.2 Locus Modulates Language, Verbal Memory, and Inhibition
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Hippolyte, Loyse; Maillard, Anne M.; Rodriguez-Herreros, Borja; Pain, Aurelie; Martin-Brevet, Sandra; Ferrari, Carina; Conus, Philippe; Mace, Aurelien; Hadjikhani, Nouchine; Metspalu, Andres; Reigo, Anu; Kolk, Anneli; Maennik, Katrin; Barker, Mandy; Isidor, Bertrand; Le Caignec, Cedric; Mignot, Cyril; Schneider, Laurence; Mottron, Laurent; Keren, Boris; David, Albert; Doco-Fenzy, Martine; Gerard, Marion; Bernier, Raphael; Goin-Kochel, Robin P.; Hanson, Ellen; Snyder, Leeanne Green; Ramus, Franck; Beckmann, Jacques S.; Draganski, Bogdan; Reymond, Alexandre; Jacquemont, Sebastien
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In: http://infoscience.epfl.ch/record/222363 (2016)
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Abstract:
BACKGROUND: Deletions and duplications of the 16p11.2 BP4-BP5 locus are prevalent copy number variations (CNVs), highly associated with autism spectrum disorder and schizophrenia. Beyond language and global cognition, neuropsychological assessments of these two CNVs have not yet been reported. METHODS: This study investigates the relationship between the number of genomic copies at the 16p11.2 locus and cognitive domains assessed in 62 deletion carriers, 44 duplication carriers, and 71 intrafamilial control subjects. RESULTS: IQ is decreased in deletion and duplication carriers, but we demonstrate contrasting cognitive profiles in these reciprocal CNVs. Deletion carriers present with severe impairments of phonology and of inhibition skills beyond what is expected for their IQ level. In contrast, for verbal memory and phonology, the data may suggest that duplication carriers outperform intrafamilial control subjects with the same IQ level. This finding is reminiscent of special isolated skills as well as contrasting language performance observed in autism spectrum disorder. Some domains, such as visuospatial and working memory, are unaffected by the 16p11.2 locus beyond the effect of decreased IQ. Neuroimaging analyses reveal that measures of inhibition covary with neuroanatomic structures previously identified as sensitive to 16p11.2 CNVs. CONCLUSIONS: The simultaneous study of reciprocal CNVs suggests that the 16p11.2 genomic locus modulates specific cognitive skills according to the number of genomic copies. Further research is warranted to replicate these findings and elucidate the molecular mechanisms modulating these cognitive performances.
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URL: http://infoscience.epfl.ch/record/222363 https://doi.org/10.1016/j.biopsych.2015.10.021
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Relationship between early language skills and the development of inattention/hyperactivity symptoms during the preschool period: Results of the EDEN mother-child cohort
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In: ISSN: 1471-244X ; BMC Psychiatry ; https://www.hal.inserm.fr/inserm-01393701 ; BMC Psychiatry, BioMed Central, 2015, 16 (1), pp.380. ⟨10.1186/s12888-016-1091-3⟩ (2015)
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Genetic analysis of dyslexia candidate genes in the European cross-linguistic NeuroDys cohort
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Predicting changes in language skills between 2 and 3 years in the EDEN mother–child cohort
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In: ISSN: 2167-8359 ; PeerJ ; https://hal.archives-ouvertes.fr/hal-01071489 ; PeerJ, PeerJ, 2014, pp.335. ⟨10.7717/peerj.335⟩ (2014)
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Genetic analysis of dyslexia candidate genes in the European cross-linguistic NeuroDys cohort
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Genetic analysis of dyslexia candidate genes in the European cross-linguistic NeuroDys cohort
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Genetic analysis of dyslexia candidate genes in the European cross-linguistic NeuroDys cohort
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Impaired auditory sampling in dyslexia: further evidence from combined fMRI and EEG
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In: ISSN: 1662-5161 ; Frontiers in Human Neuroscience ; https://hal.sorbonne-universite.fr/hal-01557287 ; Frontiers in Human Neuroscience, Frontiers, 2013, 7, pp.454. ⟨10.3389/fnhum.2013.00454⟩ (2013)
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Predictors of developmental dyslexia in European orthographies with varying complexity.
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In: ISSN: 0021-9630 ; EISSN: 1469-7610 ; Journal of Child Psychology and Psychiatry ; https://hal.archives-ouvertes.fr/hal-00965034 ; Journal of Child Psychology and Psychiatry, Wiley, 2013, 54 (6), pp.686-94. ⟨10.1111/jcpp.12029⟩ (2013)
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Genetic analysis of dyslexia candidate genes in the European cross-linguistic NeuroDys cohort.
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In: ISSN: 1018-4813 ; EISSN: 1476-5438 ; European Journal of Human Genetics ; https://hal.archives-ouvertes.fr/hal-00964958 ; European Journal of Human Genetics, Nature Publishing Group, 2013, epub ahead of print. ⟨10.1038/ejhg.2013.199⟩ (2013)
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Cognitive mechanisms underlying reading and spelling development in five European orthographies
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In: ISSN: 0959-4752 ; Learning and Instruction ; https://hal.archives-ouvertes.fr/hal-00965264 ; Learning and Instruction, Elsevier, 2013, 29, pp.65-77. ⟨10.1016/j.learninstruc.2013.09.003⟩ (2013)
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Neurogenetics and auditory processing in developmental dyslexia
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In: ISSN: 0959-4388 ; Current Opinion in Neurobiology ; https://hal.archives-ouvertes.fr/hal-01074961 ; Current Opinion in Neurobiology, Elsevier, 2013, 23, pp.37 - 42. ⟨10.1016/j.conb.2012.09.003⟩ (2013)
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Phonological deficits in specific language impairment and developmental dyslexia: towards a multidimensional model
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Phonological deficits in specific language impairment and developmental dyslexia: towards a multidimensional model
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Processing of vocalizations in humans and monkeys: A comparative fMRI study
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.archives-ouvertes.fr/hal-02327524 ; NeuroImage, Elsevier, 2012, 62 (3), pp.1376-1389. ⟨10.1016/j.neuroimage.2012.05.070⟩ (2012)
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Altered low-γ sampling in auditory cortex accounts for the three main facets of dyslexia.
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In: ISSN: 0896-6273 ; Neuron ; https://hal.inria.fr/hal-00795726 ; Neuron, Elsevier, 2011, 72 (6), pp.1080-1090. ⟨10.1016/j.neuron.2011.11.002⟩ (2011)
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